7327
How many keywords are reserved by the language?
None
25
50
Which reserved words aren't used?
goto
goto, const
Every word is used
What data type is not primitive?
boolean
string
float
What are the main principles of Java OOP?
Abstraction, inheritance, polymorphism and encapsulation
Inheritance, polymorphism and encapsulation
Only inheritance
Are there constructors in Java?
Yes
No
What class modifier doesn't exist?
foreign
strictfp
synchronized
How do you declare a variable?
$i=0;
java.int i=0;
int i=0;
What operator doesn't exist in Java?
==
!=
What function does the % operator fulfil?
Per cent of number
Residue of division
There's no such an operator in Java
Are nested loops allowable in Java?
Yes
No
What's the name of teh cycle for (declaration: expression)?
special for
improved for
shortcut for
What class does allow console keyboard input?
Scanner
Writer
Reader
What method of Scanner scans an input line before the first spacing?
nextLine()
next()
readLine()
What's the value of variable double d = 2.0 - 1.1;?
1
0.9
0.8999999999999999
What's the value of variable byte b = 7;?
0000 0111
7.000
0111
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